Question

What is the number of molecules in 2.25 mol. of carbon dioxide molecules (CO2)

Answer 1

1.36 x 10^24 molecules

Step-by-step explanation:

1 mole of CO2 has 6.022 x 10^23 moles

=> 2.25 x 6.022 x 10^23 = 1.35495 x 10^24 or 1.36 x 10^24